Water-jet guided laser processing real-time timing device
By installing a water immersion sensor and an air blowing nozzle assembly below the water-guided laser processing platform, the timing difficulties caused by water mist interference were resolved, enabling real-time timing of water-guided laser processing and simplifying operation, thereby reducing costs.
Patent Information
- Application Number
- CN202423246186.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-27
AI Technical Summary
In existing water-guided laser processing, real-time timing cannot be achieved. Water mist and low visibility make it impossible to accurately determine the time when the workpiece is penetrated. Existing methods are complex and costly.
A water immersion sensor is installed below the processing platform. When water flows through the workpiece, it triggers timing and removes water mist. The air nozzle is driven by a cylinder to remove water mist, ensuring that the sensor works normally and achieving real-time timing.
It achieves accurate timing from start to finish during water-guided laser processing, simplifies operation, and reduces maintenance costs.
Smart Images
Figure CN223642967U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water guide laser processing technical field, concretely relates to a water guide laser processing real time timing device. BACKGROUND
[0002] Water guide laser processing technology is a new type of processing technology, compared with traditional laser processing, has long working distance, and water jet keeps extremely high power density, can realize the ablation residue of the processing surface, also makes the thermal influence zone of the processing surface greatly reduce.
[0003] Before water guide laser normal processing, must pass through a series of strict test and experiment, in depth research laser processing effect under various complex parameters of different kinds of materials, this requires us to accurately test the time required in each parameter condition, from laser irradiation to workpiece breakdown whole processing process, since water guide laser processing process exists water mist too big, light too strong etc., cannot carry out real time detection to workpiece through vision, at present also does not have the device for water guide laser real time timing, although traditional optical detection system can indirectly realize this problem, but due to the generation of a large amount of water mist, become abnormally thick and strong because of laser beam irradiation, also will scatter in the vicinity of focal point, this leads to the visibility of the processing area surrounding environment extremely low, makes staff unable to clearly observe the real time state of workpiece. At present, there is also an acoustic detection method that can effectively solve the water mist interference problem, but if only used for real time timing, then the procedure is complicated, the operation is complicated, and the maintenance cost is high.
[0004] Therefore, at present, a new device and method for water guide laser planar processing to realize real time timing are needed, so that the staff can accurately determine whether the measured object is penetrated, so as to obtain the time required from starting processing to punching. UTILITY MODEL CONTENT
[0005] The utility model provides a water guide laser processing real time timing device that is simple in structure and convenient to operate, realizes accurate time from starting to punching end when water guide laser planar processing, and is not affected by water mist and low visibility.
[0006] To achieve the above technical purpose, the utility model provides the following technical scheme: a water guide laser processing real time timing device, including laser beam, focusing system, coupling system and processing platform from top to bottom in sequence, the workpiece to be processed is placed on the table surface of the processing platform, the recess is set up on the table surface of the processing platform, the water immersion sensor that inducts water flow to pass through the workpiece to be processed is arranged in the recess, the water immersion sensor is located at the bottom of the workpiece to be processed, the side of the processing platform is equipped with the removal mechanism that removes water on the water immersion sensor.
[0007] Further, the cleaning mechanism comprises a blowing nozzle for blowing water stains on the upper surface of the water immersion sensor, and the blowing nozzle is driven away from or close to the water immersion sensor by the driving assembly.
[0008] Further, the driving assembly comprises a bottom plate, vertical plates are arranged at two ends of the bottom plate, a plurality of first guide rods are arranged between the two vertical plates, a sliding block is slidably arranged on the first guide rods, a gas cylinder is arranged on one side of any vertical plate to drive the sliding block to slide along the first guide rods, a fixing plate is arranged on the top of the sliding block, a sliding plate is slidably arranged on the fixing plate in the vertical direction, the sliding plate is connected with the blowing nozzle through a support rod on the top thereof, side plates are arranged on both sides of the bottom plate, a sliding groove is formed in each side plate, a roller is arranged in each sliding groove, and the sliding plate is connected with the rollers through mounting plates on both sides thereof, and the rollers can slide in the sliding grooves to form a structure in which the sliding plate moves horizontally first and then moves downwardly obliquely.
[0009] Further, the fixing plate and the sliding plate are both in the shape of and are arranged in a cross shape.
[0010] Further, a plurality of second guide rods are fixedly connected to the fixing plate, and the two ends of the sliding plate are slidably arranged on the second guide rods.
[0011] Compared with the prior art, the utility model has the advantages that: the water immersion sensor is arranged directly below the workpiece to be processed, so that the probe of the water immersion sensor is directly opposite to the workpiece to be processed, once the workpiece to be processed is penetrated, water will naturally pass through the workpiece to be processed and flow to the position of the probe of the water immersion sensor, when the probe of the water immersion sensor is immersed in water, the controller will immediately stop timing and transmit data to the monitoring system, then the cleaning mechanism removes the water, avoids water accumulation and ensures that the probe can work normally when water penetrates next time, realizes real-time recording of the time from starting processing to stopping, so that the staff can accurately determine whether the measured object is penetrated or not, and obtain the time required from starting processing to ending punching. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 is the overall structure schematic view of the utility model;
[0013] Figure 2 is the structure schematic view of the cleaning mechanism of the utility model;
[0014] Figure 3 is the structure schematic view of the fixing plate and the sliding plate of the utility model.
[0015] In the figure, 1, laser beam; 2, focusing system; 3, coupling system; 4, processing platform; 5, piece to be processed; 6, groove; 7, water immersion sensor; 8, cleaning mechanism; 81, air blowing nozzle; 82, bottom plate; 83, vertical plate; 84, first guide rod; 85, sliding block; 86, air cylinder; 87, fixed plate; 88, sliding plate; 89, support rod; 810, side plate; 811, sliding groove; 812, roller; 813, second guide rod. DETAILED DESCRIPTION
[0016] The following are specific embodiments of the utility model, and the technical scheme of the utility model is further described in combination with the drawings, but the utility model is not limited to these embodiments.
[0017] The utility model provides a kind of water guide laser processing real-time timing device, including by upper and lower sequentially including laser beam 1, focusing system 2, coupling system 3 and processing platform 4, the mesa of processing platform 4 is placed with piece to be processed 5, recess 6 is opened in the mesa of processing platform 4, water immersion sensor 7 that inductive water flow passes through piece to be processed 5 is equipped in recess 6, water immersion sensor 7 is located at the bottom of piece to be processed 5, so that the probe position of water immersion sensor 7 is directly opposite piece to be processed 5, to ensure that water immersion sensor 7 probe can be directly opposite workpiece and monitor, one side of processing platform 4 is equipped with the cleaning mechanism 8 of water on water immersion sensor 7.
[0018] As Figure 1As shown, the laser beam 1 is used for laser cutting to remove material from the workpiece 5. The coupling system 2 is used to couple the laser beam focused by the focusing lens into the water jet to generate a stable, fine laser-water jet. The focusing system 2 effectively guides the laser beam 1 into the coupling system 3, which couples the water and the laser. In this embodiment, the laser beam 1, focusing system 2, and coupling system 3 are existing technologies, and their detailed structures are not described here. The workpiece 5 is processed on the processing platform 4. The water immersion sensor probe 7 is an electrode-type water immersion sensor. The water immersion sensor 7 is connected to the main controller via an electrical signal line to set the water level threshold. The main controller is connected to a monitoring system. In use, the workpiece 5 is fixed on the processing platform 4. On the worktable, the workpiece 5 is placed directly above the water immersion sensor 7. Once the workpiece 5 is penetrated, water will flow through it to the probe of the water immersion sensor 7. When the probe of the water immersion sensor 7 is immersed in water and reaches the preset water level threshold, the main controller will immediately stop timing and transmit the data to the monitoring system. Then, the workpiece 5 is removed, and the cleaning mechanism 8 drains the water to prevent water accumulation and ensure that the probe can work normally when water penetrates again. The entire system records the time from processing to stopping in real time, enabling workers to accurately determine whether the object being tested has been penetrated, thus obtaining the time required from the start of processing to the end of drilling. Compared with existing acoustic detection technology, this utility model has the advantages of simple operation and saving timing costs.
[0019] The cleaning mechanism 8 includes an air nozzle 81 that blows water off the surface of the water immersion sensor 7. The air nozzle 81 is driven away from or near the water immersion sensor 7 by a drive assembly.
[0020] like Figure 1 As shown, in this embodiment, the processing platform 4 has several drainage holes on its surface to drain water from the processing platform 4. The air nozzle 81 blows the water on the water immersion sensor 7 onto the surface of the processing platform 4 and drains it out through the drainage holes on the surface. This can prevent water accumulation and ensure that the probe of the water immersion sensor 7 can work normally when water comes down next time.
[0021] The driving assembly comprises a bottom plate 82, vertical plates 83 are arranged at two ends of the bottom plate 82, a plurality of first guide rods 84 are arranged between the two vertical plates 83, sliding blocks 85 are slidingly installed on the first guide rods 84, a gas cylinder 86 is arranged at one side of any vertical plate 83 and used for driving the sliding block 85 to slide along the first guide rod 84, a fixing plate 87 is arranged at the top of the sliding block 85, a sliding plate 88 is slidingly connected to the fixing plate 87 in the vertical direction, the sliding plate 88 is connected to the air blowing nozzle 81 through a supporting rod 89, side plates 810 are arranged at two sides of the bottom plate 82, sliding grooves 811 are formed in the side plates 810, rollers 812 are arranged in the sliding grooves 811, the two sides of the sliding plate 88 are connected to the rollers 812 through mounting plates, and the rollers 812 can slide in the sliding grooves 811 to form a structure in which the sliding plate 88 moves horizontally first and then moves downwardly obliquely.
[0022] As shown in Figure 1 , the sliding block 85 is driven to slide along the first guide rod 84 by the gas cylinder 86, in the sliding process, the rollers 812 roll along the sliding grooves 811, the sliding grooves 811 are divided into horizontal sections and downwardly inclined sections, when the rollers 812 are in the horizontal sections of the sliding grooves 811, the sliding plate 88 and the fixing plate 87 are in a relatively static state, when the rollers 812 run to the downwardly inclined sections of the sliding grooves 811, the sliding plate 88 slides downwardly along the fixing plate 87, the sliding plate 88 drives the air blowing nozzle 81 to move horizontally first and then move downwardly slowly through the supporting rod 89, so that the nozzle 81 is close to and above the water immersion sensor 7, and the water of the water immersion sensor 7 can be blown away.
[0023] The fixing plate 87 and the sliding plate 88 are both of the structure, and the fixing plate 87 and the sliding plate 88 are arranged in a cross manner, a plurality of second guide rods 813 are fixedly connected to the fixing plate 87, and the two ends of the sliding plate 88 are slidingly installed on the second guide rods 813.
[0024] As shown in Figure 2 , the fixing plate 87 of the structure can limit the position of the sliding plate 88, the sliding plate 88 slides along the second guide rods 813, one end of the second guide rod 813 penetrates through the end portions of the fixing plate 87 and the sliding plate 88, and the stability of the sliding plate 88 in the sliding process on the second guide rod 813 can be improved.
[0025] Principle of use: first, the workpiece 5 is placed on the workbench 4, and the workpiece 5 is placed directly above the water immersion sensor 7, the laser starts timing when the laser is turned on, and the water flows through the workpiece 5 to the probe position of the water immersion sensor 7 after the laser penetrates the workpiece 5, when the water immersion sensor 7 probe is immersed in water and reaches the set threshold, the main controller will stop timing immediately and transmit data to the monitoring system, the monitoring system determines the time required from the start of processing to the end of punching according to the time period from the start of the laser to the stop of the main controller, then the workpiece 5 is removed, the air cylinder 86 is started, the sliding block 85 is indirectly driven to move the air blowing nozzle 81 to the direction of the groove 6, and the water on the probe of the water immersion sensor 7 is cleaned away to avoid water accumulation and ensure that the probe can work normally when the water is transparent next time. The utility model realizes real-time recording of the time from the start of processing to the stop, so that the staff can accurately determine whether the measured object has been penetrated, and the time required from the start of processing to the end of punching is obtained.
[0026] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the scope defined by the appended claims.
Claims
1. A water guide laser processing real-time timing device, comprising a laser beam (1), a focusing system (2), a coupling system (3) and a processing platform (4) from top to bottom, characterized in that: The processing platform (4) is provided with a workpiece (5) to be processed, and a groove (6) is formed in the processing platform (4), and a water immersion sensor (7) for sensing water flow through the workpiece (5) is arranged in the groove (6), and the water immersion sensor (7) is located at the bottom of the workpiece (5), and a cleaning mechanism (8) for removing water on the water immersion sensor (7) is arranged on one side of the processing platform (4).
2. A water guide laser processing real-time timing device according to claim 1, characterized in that: The cleaning mechanism (8) includes a blowing nozzle (81) for blowing water stains on the surface of the water immersion sensor (7), and the blowing nozzle (81) is driven away from or close to the water immersion sensor (7) by a driving assembly.
3. A water guide laser processing real-time timing device according to claim 2, characterized in that: The driving assembly includes a bottom plate (82), two vertical plates (83) are arranged at both ends of the bottom plate (82), a plurality of first guide rods (84) are arranged between the two vertical plates (83), a sliding block (85) is slidably arranged on the first guide rod (84), a cylinder (86) is arranged on one side of any vertical plate (83) to drive the sliding block (85) to slide along the first guide rod (84), a fixed plate (87) is arranged on the top of the sliding block (85), a sliding plate (88) is vertically slidably connected to the fixed plate (87), the sliding plate (88) is connected to the blowing nozzle (81) through a support rod (89), and side plates (810) are arranged on both sides of the bottom plate (82), sliding grooves (811) are formed in the side plates (810), rollers (812) are arranged in the sliding grooves (811), and the sliding plate (88) is connected to the rollers (812) through mounting plates, and when the rollers (812) slide in the sliding grooves (811), the sliding plate (88) can first move horizontally and then move downwardly and obliquely.
4. A water guide laser processing real-time timing device according to claim 3, characterized in that: The fixed plate (87) and the sliding plate (88) are both in the shape of a, and the fixed plate (87) and the sliding plate (88) are arranged in cross.
5. A water guide laser processing real time clock device according to claim 4, characterized in that: A plurality of second guide rods (813) are fixedly connected to the fixed plate (87), and both ends of the sliding plate (88) are slidably arranged on the second guide rods (813).